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   1 /*_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
   2 *                                                                          *
   3 * regular_exp.h                                                            *
   4 *                                                                          *
   5 * Function:..Routine for TWEB                                              *
   6 *                                                                          *
   7 *                                                                          *
   8 *                                                                          *
   9 * Authors:...Dr. Kurt Spanier & Bernhard Winkler,                          *
  10 *            Zentrum fuer Datenverarbeitung, Bereich Entwicklung           *
  11 *            neuer Dienste, Universitaet Tuebingen, GERMANY                *
  12 *                                                                          *
  13 *                                       ZZZZZ  DDD    V   V                *
  14 *            Creation date:                Z   D  D   V   V                *
  15 *            January 20 1998              Z    D   D   V V                 *
  16 *            Last modification:          Z     D  D    V V                 *
  17 *            January 20 1998            ZZZZZ  DDD      V                  *
  18 *                                                                          *
  19 _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_*/
  20 /*
  21  * $Id: regular_exp.h,v 1.6 1999/09/10 15:01:19 zrnsk01 Exp $
  22  *
  23  */
  24
  25
  26 #ifndef _REGULAR_EXP_
  27 #define _REGULAR_EXP_
  28
  29 /*
  30  * Definitions etc. for regexp(3) routines.
  31  *
  32  * Caveat:  this is V8 regexp(3) [actually, a reimplementation thereof],
  33  * not the System V one.
  34  */
  35 #define NSUBEXP  10
  36 typedef struct regexp {
  37         char *startp[NSUBEXP];
  38         char *endp[NSUBEXP];
  39         char regstart;          /* Internal use only. */
  40         char reganch;           /* Internal use only. */
  41         char *regmust;          /* Internal use only. */
  42         int regmlen;            /* Internal use only. */
  43         char program[1];        /* Unwarranted chumminess with compiler. */
  44 } regexp;
  45
  46 extern regexp *tweb_regcomp();
  47 extern int tweb_regexec();
  48 extern void tweb_regsub();
  49 extern void tweb_regerror();
  50 /*
  51  * The first byte of the regexp internal "program" is actually this magic
  52  * number; the start node begins in the second byte.
  53  */
  54 #define MAGIC   0234
  55
  56 #endif /* _REGULAR_EXP_ */